There has long been a need for a book that summarizes the geology of Ohio. The good news is that this is a decent book, indispensable to anyone interested in Ohio geology, and is thus well worth its modest cost.

After a 33-page introductory section, the book breaks its coverage into four parts: first, two major sections comprising 114 pages on the western till plains and 155 pages on the eastern uplands (the Allegheny Plateau); second, two smaller sections on the Lake Erie lakeshore and the Ohio River valley (37 pages on each). This allows a logical treatment, starting with...